hi johnnywang,
As soon as you talk about 'distinct', 'random' goes out of the window. So i assume you need distinct numbers upon which you can't apply any pattern. The best way is to write a hash function on the current date + time which ofcourse must not give always increasing or decreasing numbers. Use google to find a suitable algorithm ( i am sure people have done it before).

In reply to Re^3: How to generate different random numbers? by ranjan_jajodia
in thread How to generate distinct random numbers? by johnnywang

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